RU2014138936A - Устройство для подвода гранулята и загружаемого материала к червяку экструдера - Google Patents

Устройство для подвода гранулята и загружаемого материала к червяку экструдера Download PDF

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RU2014138936A
RU2014138936A RU2014138936A RU2014138936A RU2014138936A RU 2014138936 A RU2014138936 A RU 2014138936A RU 2014138936 A RU2014138936 A RU 2014138936A RU 2014138936 A RU2014138936 A RU 2014138936A RU 2014138936 A RU2014138936 A RU 2014138936A
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outlet
centrifugal separator
worm
stuffed
section
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RU2014138936A
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RU2597610C2 (ru
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Петер ШМАЛЬХОЛЬЦ
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Бсв Машинери Хандельс-Гмбх
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/66—Recycling the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29B7/422—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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  • Engineering & Computer Science (AREA)
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Abstract

1. Устройство для подачи гранулята и загружаемого материала к червяку (11) экструдера, включающее центробежный сепаратор (12) с отверстием ввода для введения потока транспортируемого материала пневматически транспортируемого загружаемого материала и выпускное отверстие (16) для выведения отделенного из потока транспортируемого материала загружаемого материала, а также загрузочную воронку (1) для свежего гранулята и участок (9) смешения, к которому подводится загружаемый материал и свежий гранулят из загрузочной воронки (1), отличающееся тем, чтоцентробежный сепаратор (12) расположен, по меньшей мере, частично в загрузочной воронке (1) и соосно с ней, поэтому выпускное отверстие (16) центробежного сепаратора (12) погружено в кольцеобразно окружающий выпускное отверстие (16) выпускной участок (6) загрузочной воронки (1), причем набивной червяк (19) проходит через выпускное отверстие (16) центробежного сепаратора (12) по оси и вдается в примыкающий по оси к выпускному отверстию (16) участок (9) смешения.2. Устройство по п. 1, отличающееся тем, что вал (20) набивного червяка (19) проходит центробежный сепаратор (12) по оси и выведен по заборной трубе (17) из центробежного сепаратора (12).3. Устройство по п. 1 или 2, отличающееся тем, что центробежный сепаратор (12) имеет конически сужающийся разделяющий участок (15) и прилегающий к нему цилиндрический подающий участок (18), через который проходит набивной червяк (19), а его внутренний диаметр, по существу, соответствует наружному диаметру набивного червяка (19).4. Устройство по п. 3, отличающееся тем, что что набивной червяк (19) имеет в самом нижнем участке разделяющего участка (15) коническую сходящуюся в направлении транспортирования огибающую поверхность.5. Устройство по п. 1 или 2,

Claims (8)

1. Устройство для подачи гранулята и загружаемого материала к червяку (11) экструдера, включающее центробежный сепаратор (12) с отверстием ввода для введения потока транспортируемого материала пневматически транспортируемого загружаемого материала и выпускное отверстие (16) для выведения отделенного из потока транспортируемого материала загружаемого материала, а также загрузочную воронку (1) для свежего гранулята и участок (9) смешения, к которому подводится загружаемый материал и свежий гранулят из загрузочной воронки (1), отличающееся тем, что
центробежный сепаратор (12) расположен, по меньшей мере, частично в загрузочной воронке (1) и соосно с ней, поэтому выпускное отверстие (16) центробежного сепаратора (12) погружено в кольцеобразно окружающий выпускное отверстие (16) выпускной участок (6) загрузочной воронки (1), причем набивной червяк (19) проходит через выпускное отверстие (16) центробежного сепаратора (12) по оси и вдается в примыкающий по оси к выпускному отверстию (16) участок (9) смешения.
2. Устройство по п. 1, отличающееся тем, что вал (20) набивного червяка (19) проходит центробежный сепаратор (12) по оси и выведен по заборной трубе (17) из центробежного сепаратора (12).
3. Устройство по п. 1 или 2, отличающееся тем, что центробежный сепаратор (12) имеет конически сужающийся разделяющий участок (15) и прилегающий к нему цилиндрический подающий участок (18), через который проходит набивной червяк (19), а его внутренний диаметр, по существу, соответствует наружному диаметру набивного червяка (19).
4. Устройство по п. 3, отличающееся тем, что что набивной червяк (19) имеет в самом нижнем участке разделяющего участка (15) коническую сходящуюся в направлении транспортирования огибающую поверхность.
5. Устройство по п. 1 или 2, отличающееся тем, что участок (9) смешения выполнен воронкообразно с сужающимся в направлении транспортирования поперечным сечением.
6. Устройство по п. 1 или 2, отличающееся тем, что участок (9) смешения имеет выходное отверстие (8) с возможностью его прилегания к червяку (11) экструдера, причем набивной червяк (19) продолжается вплоть до выходного отверстия (8).
7. Устройство по п. 3, отличающееся тем, что цилиндрический подающий участок (18) имеет на своем взаимодействующем с набивным червяком (19) внутреннем периметре проходящие в продольном направлении пазы.
8. Применение устройства по любому из пп. 1-7 для возвращения в экструдер образующихся в процессе экструзии вторичных отходов синтетического материала, в частности кайму, причем вторичные отходы синтетического материала захватываются механическими средствами, транспортируются в устройство для измельчения, мелко нарезаются, а затем мелко нарезанные вторичные отходы подводятся со свежим гранулятом к червяку (11) экструдера.
RU2014138936/05A 2012-02-28 2013-02-19 Устройство для подвода гранулята и загружаемого материала к червяку экструдера RU2597610C2 (ru)

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PCT/AT2013/000030 WO2013126933A1 (de) 2012-02-28 2013-02-19 Vorrichtung zum zuführen von granulat und füllmaterial zu einer extruderschnecke eines extruders

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